[RC232] Please confirm if packet_length should be configured to total number of bytes including overhead (26 in my case) or only effective payload (15 in my case) The packet length parameter only refers to UART bytes. The RF overhead you do not have to think about. So you set it to 15. Last Update: August 8, 2017 December 13, 2016 1147 RC232 Q&A Related Knowledge Base Posts -[RC232] I use a switching DC/DC regulator, will the ripple have a negative effect on the VCO in the radio?[RC232] In a point to multi point scenario, (host with clients) can the host see the received signal levels of the clients when they transmit data?[RC232] Do you consider that the 2.4Ghz antenna alone allows to reject the GSM signal to prevent damage on the RC2500 ?